All Terpenes

Humulene

Humulene is the sesquiterpene that gives hops their signature earthy bitterness, with a dry woody aroma edged in spice and citrus. It almost always appears alongside beta-caryophyllene in nature and adds a grounded, hoppy depth to earthy blend profiles.

Hoppy Woody Spicy Earthy

Humulene, also known as alpha humulene (α-humulene) and alpha caryophyllene (α-caryophyllene), is an isomer of the terpene beta caryophyllene (BCP) that, in isolation, emits a similar aroma. Alpha humulene is produced by coriander, ginseng, hops, marsh elders, oranges, pine, sunflower, and tobacco.

Humlene, a common and popular terpene, delivers a hoppy and earthy aroma that features notes of wood and spice.  

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Humulene
Chemical Structure
At a glance
woodycitrusspicylemonherbalterpenic
CAS number
6753-98-6
Formula
C15H24
Molecular weight
204.35 g/mol
Boiling point
~276 °C (est.)
Flash point
~110 °C (est.)
PubChem
CID 5281520

Common questions

What does humulene smell like?

Dry, woody, and hoppy, with subtle spice and a citrus edge. Think of the aroma of fresh hop cones.

Is humulene the same as alpha-caryophyllene?

Yes. Alpha-caryophyllene is an older name for the same molecule. It is a ring isomer of beta-caryophyllene, and the two usually occur together.

Related terpenes

Beta Caryophyllene · woody, sweet, green Myrcene · herbal, woody, citrus
Smell it at the source

This terpene occurs naturally in these botanical oils, available from our sister store, The Essential Oil Company.

Ginger essential oil Ginger Clove Bud essential oil Clove Bud Dalmatian Sage essential oil Dalmatian Sage
References: PubChem CID 5281520

Products with Humulene listed as a primary terpene:

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